NEC 1000BASE-T User Manual page 31

LED
ACT / LNK A
ACT/LNK
SPEED
ACT/LNK
SPEED
ACT / LNK B
LED Status
Lit
Blinking or lit
ACT/
LNK
Off
Lit orange
SPEED
Lit green
Off
-
31
Properly accessing the link partner.
established )
Indicates that data is being sent/received.
Blinking interval varies depending on the
traffic intensity.
Not properly accessing the link partner. (Link
not established)
Working at 1000 Mbps
Working at 100 Mbps
Working at 10 Mbps
-
Meaning
(Link